What Research About Tips Can Teach You

Human life starts from fertilization. Fertilization is the joining of the male and female cell to form a zygote. The development of the zygote results into an embryo which later develops into a fetus. Growth and development take place in the body of a newborn at all time. Growth is termed as the permanent expansion of size and shape of the body. Development is the change that takes place in the body.

Adolescent is the middle stage between the adult and baby stage. Adolescent stage is not the same in both girls and boys. Adolescent stage in boys has been known to kick start from 14-21 years of age. The adolescent stage in girls starts from 11-19 years of age. Adolescent stage is followed by the development of the secondary sexual characteristics in both girls and boys. Boys in this stage deepen their voice, grow their pubic hair, their shoulders broaden, increase in their body size, and development of their sexual reproductive parts.

Expect girls to have bigger breasts, wide hips, growth of the pubic hair, and development of the sexual reproductive parts during the adolescent stage. Adolescent stage is very risky to both boys and girls. This stage requires physical and moral support from adults. It has been known for the adult stage to be a time of mental and physical maturity. Reproduction is crucial to the life of adults. It is naturally known for male and female to play a role in production. Reproduction is based on the fertility of the male and female. Reproduction is supported by the production of the male and female cells. Testes and ovary are the two parts that produce the reproductive cells in both sexes. Hormone testosterone and estrogen support the development of the reproductive parts in the two sexes. The level of testosterone is very important when it comes to reproduction in males. Low testosterone in males brings reproduction problems.

There are a few things we can look at to notice men with low testosterone. Expect men with low testosterone to have extra calorie in their body. It has been noted for the extra cholesterol in the body to open other problems such as obesity and heart diseases. Expect men with low testosterone to have a low metabolic rate. Lower metabolism results into low amount of energy in the body. Low energy in the body leads to erection problems and low sex drive. It has been known for low testosterone to cause insomnia. Insomnia normally interferes with mental development. Men with low testosterone lack motivation and concentration in their activities.